The Aztec Indians, located mainly in present-day Mexico, were aggressi

The Aztec Indians, located mainly in present-day Mexico, were aggressive and took thousands of prisoners. Aztec society was:

a. organized into urban centers, each ruled by a group of priests
b. the largest Indian empire with a type of welfare system for the poor
c. headed by powerful chiefs who conquered neighboring tribes and accumulated vast amounts of treasure
d. the first to adopt the concept of zero

ANSWER
C